Sto-Fen Omni-Bounce OM-HV58 Flash Diffuser (for Sony HVL-F58AM / Metz 64 AF-1 / Nissin Di600 - Di866 / LumoPro LP180 / Yongnuo YN568 Series Flashes) Sto-Fen Omni-Bounce for the Sony HVL-F58AM, Metz 64 AF-1 Flash &amp; Nissin Di866 Shoe Mount Flashes